The Blue Nile river passes through the Grand Ethiopian Renaissance Dam.
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Hundreds of rivers are shared between two or more countries – this could be a source of cooperation or conflict.
People who have been evacuated from Sudan arrive in Greece.
Marios Lolos/Xinhua//Alamy
Evacuations offer some hope, but only for those that qualify for them.
Eric Lafforgue/Art in All of Us/Corbis via Getty Images
In the absence of peace, efforts to address climate risks will be restrained, ineffective and counterproductive.
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Our research shows that although climate change is a key factor in starting conflict in eastern Africa, it’s not always the most important one.